Floor mat or similar article



FIG. 1 is a top perspective view of a floor mat or similar article showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of one side thereof, the other sides being identical thereto; and,

FIG. 4 is a bottom plan view thereof.

The drawing views have been broken away to indicate indeterminate size. 

The ornamental design for a floor mat or similar article, as shown and described. 